4 of 4 Senior Security Specialist Jobs in the UK

Senior Information Systems Security Specialist Summer-Browning Associates is currently assisting our client in the Public Sector, who is seeking a Senior Information Systems Security Specialist for a 6-month assignment. Location: Hybrid working- London Essential Skills: The ideal candidates will hold an Active SC clearance and have a proven Information Security background … with the following skills/experience: Experience of security assurance and the measurement of controls. Experience of IT Security documentation (policies, standards, processes, procedures and patterns). Experience of IT Health Check and Vulnerability Assessments Experience of risk and threat modelling. Qualifications: accreditation/assurances CISM/XCCP/ISO 27001 To apply, please submit your most recent More ❯

Our defence sector client is currently recruiting for a Senior Security Specialist to provide Secure by Design (SbD) subject matter expertise on a range of military air defence capabilities. This role is offered as an initial 3 month contract with scope to be extended. The day rate is negotiable dependent upon experience. A hybrid working arrangement is … available with an expectation of 2-3 days onsite in Bristol per week. RESPONSIBILITIES: Identification of necessary artefacts in comparison to existing security reports Mature the artefacts in discussion with Subject Matter Experts (SMEs) and functional and prime Contractor input. Finalise the Security Management Plan (SyMP) Plan security-related activities required for CUP2 A-phase and beyond … Representation at various security working groups. SKILLS & QUALIFICATIONS: Demonstrable expertise in securing and assuring complex, mission-critical systems. Deep understanding of Secure by Design methodologies and their application in system and network design. Strong knowledge of securing cloud environments, software applications, and networked systems. Strong analytical skills with a focus on risk management and continuous security improvement. Able More ❯

Senior Cyber Security Specialist I am currently working with an organisation dedicated to genuinely improving the lives of those in need and making a positive impact on the community who are looking for a Security architect to expand their newly formed team. This offers a fantastic opportunity for someone stepping into their first Security Architecture … while also driving continuous BAU activities! Experience of interest includes: • Implementing controls and compliance frameworks such as Cyber Essentials or ISO 27001 • Technical expertise with tools like the Microsoft security stack and Azure Defender • Reporting directly to the CISO Details: - Salary: £85,000 - Hybrid working (East Midlands) - Plus other benefits If this sounds like it could be of interest More ❯

Job Overview: As aSecurity Engineer - Fuzzing Specialist, you will own and evolve our coverage-guided fuzzing program. Your mission is to uncover hard-to-reach security flaws before attackers do, drive fixes to closure, and help product teams to embrace dynamic testing like fuzzing. You'll scout for new attack surfaces, craft high-performance fuzzing harnesses, and design … gaps are found. Document, report, and share insights- from coverage metrics to post-mortems to create data-driven security. Required Skills and Experience: 1+ years in application or product security with a deep focus on coverage-guided fuzzing. Hands-on expertise with at least one modern fuzzing framework (e.g., libFuzzer, AFL , Honggfuzz). Proficient in C/C++ plus … lldb, IDA/Ghidra). Excellent written communication for documenting findings and influencing engineering teams. "Nice To Have" Skills and Experience : Contributions to open-source fuzzing tools, sanitisers, or security research publications. Knowledge ofdistributed fuzzing at scale (GCP/AWS, Kubernetes, or bare-metal clusters). Familiarity with kernel, embedded, or firmware fuzzing (e.g., Syzkaller, QEMU-based harnesses). More ❯